#!bin/bash

function s1_goto_dir(){
       cd "$1"
}

function s2_touch_emoty_file_with_given_name(){
       touch "$1"
}

function s3_make_directories(){
       mkdir -p ./projects/{git/,backup/}
}
function s4_create_6_files(){
       touch ./projects/linux{1,2}_{centos,redhat,c_programming}
}

function s5_make_directories_in_git(){
       mkdir ./projects/git/linux{1,2}
}

function s6_move_file_to_dir_1_or_2(){
       mv ./projects/linux1* ./projects/git/linux1 && mv ./projects/linux2* ./projects/git/linux2
}

function s7_create_package_and_compress(){
       tar -czvf ./projects/backup/git.tar.gz ./projects/git
}

function s8_delete_dir_git(){
       rm -rf ./projects/git
}

function s9_recover_from_git_tar_gz_backup(){
       tar -zxvf ./projects/backup/git.tar.gz ./projects/
}

function s10_create_package_and_compress(){
       tar -jcvf ./projects/backup/git.tar.bz2 ./projects/git
}

function s11_find_and_sort_alphabetically_all_created_files_and_dirs(){
      find ./projects/ | sort 
}

function s12_get_next_15_minutes_boundary(){
     date -d "@$(($(date +%s)%900 + 900))" + "%Y-%m-%d_%H:%M:%S"
}
